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Finding the Fourth Proportional to 63,005.04, 86,827.32 and 45,068.90

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Solution

The fourth proportional to 63,005.04, 86,827.32 and 45,068.90 is: 62,109.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,005.04 : 86,827.32 = 45,068.90 : x
  2. Step 2: Convert to fraction form
    63,005.04/86,827.32 = 45,068.90/x
  3. Step 3: Cross multiply
    63,005.04x = 86,827.32 × 45,068.90
  4. Step 4: Simplify right side
    63,005.04x = 3,913,211,368.21
  5. Step 5: Solve for x
    x = 3,913,211,368.21/63,005.04
  6. Step 6: Final answer
    x = 62,109.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.